MatchPoint

Player profile

William Matthes’s NorCal tennis rating

William Matthes
USTA 4.0 · NorCal league player
3.83
current
▼ −0.06 this season

Other formats · don’t affect your rating above

Combo 3.68
USTA4.00
2026
6 matches
3.993.913.83
Feb · 3.99
Feb · 3.83
May 3 · Doubles+0.14
W M. Shaffer / G. Sydorak
6-4,6-1 · with Duncan Kennedy
● Won ● Lost · Select a point to see that match.Your whole season is recalculated every night, so earlier points can shift as new results come in.

Current season

6 matches

Published NorCal results in 2026 — 2 scoring, 4 combo or mixed. Combo and mixed don’t affect NTRP ratings.

May 3, 2026 · Doubles · Combo

Won 6-4,6-1
+0.14

William’s side

William MatthesCurrently on CALIFORNIA TC CM8.5A
3.68
Duncan Kennedy(partner)
3.66

Opponents

Mike ShafferCurrently on PENINSULA TC CM7.5A
3.57
Gerald SydorakCurrently on PENINSULA TC CM7.5A
3.58
Combo rating 3.54 → 3.68Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Apr 9, 2026 · Doubles · Combo

Lost 4-6,1-6
−0.08

William’s side

William MatthesCurrently on CALIFORNIA TC CM8.5A
3.68
Joe Elson(partner)
3.71

Opponents

Gregory RojasCurrently on BAY CLUB SF TENNIS CM8.5B
3.88
David ReelCurrently on GOLDMAN TC CM8.5A
3.96
Combo rating 3.62 → 3.54Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Apr 2, 2026 · Doubles · Combo

Lost 5-7,3-6
−0.07

William’s side

William MatthesCurrently on CALIFORNIA TC CM8.5A
3.68
Richard Treadwell(partner)Currently on LAGUNITAS CC CM8.5A
4.00

Opponents

Philip ThomasCurrently on SAN CARLOS TC/ARGUELLO PK 55MX7.0A
3.98
Gary ChingCurrently on FOSTER CITY TC/EDGEWATER PK CM7.5A
3.94
Combo rating 3.69 → 3.62Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Mar 24, 2026 · Doubles · Combo

Lost 5-7,2-6
−0.10

William’s side

William MatthesCurrently on CALIFORNIA TC CM8.5A
3.68
Chris Donohoe(partner)Currently on CALIFORNIA TC CM8.5A
3.84

Opponents

Anthony VuongCurrently on FOSTER CITY TC/EDGEWATER PK 55MX9.0A
4.30
Jonathan FeldmanCurrently on SAN CARLOS TC/ARGUELLO PK 55MX7.0A
3.60
Combo rating 3.78 → 3.69Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Feb 23, 2026 · Singles

Lost 1-6,0-6
−0.06

William’s side

William MatthesCurrently on CALIFORNIA TC CM8.5A
3.83

Opponents

Diego SabarisCurrently on SAN CARLOS TC/ARGUELLO PK CM8.5A
4.19
Rating 3.89 → 3.83Singles result
Best match
−0.06
Feb 23 vs Diego Sabaris
Worst match
−0.10
Feb 21 vs M. Sengmanivong / N. Vu
Where you started ›3.89
2023 year-end NTRP 4.03.75
Scale calibration+0.14
Season start3.89
Your starting point comes from your official year-end NTRP, not from any third-party rating. The calibration is a fixed shift that puts our scale on the same level as NTRP.
▲
Combo and mixed matches aren’t included. This rating is built from standard men’s and women’s league play only — combo and mixed results feed your separate combo/mixed ratings, not this one.
Updated Sep 20

William Matthes’s MatchPoint NorCal tennis rating is 3.83, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on CALIFORNIA TC CM8.5A.

MatchPoint ratings are estimates based on published USTA NorCal league results. Data through September 20, 2026.

Year-end re-anchoring
Pulled toward the 2024 year-end level+0.023.91
Pulled toward the 2025 year-end level+0.013.99

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